Re: FYI & my annoyment

[Mousheng Xu <xu@xxxxxxxxxx>]

At 09:58 AM 4/21/99 +0200, Christian Bauer wrote:
>Hello Xu (is Xu your Firstname, or is it Mousheng??)

Christian,

	Xu is my last name.

>Symetric positions occour very often on small go boards, so it brings much
more time for
>tree restriction, compared with the time of the symetry tests. There are
also many ways
>of checking this symetry - it could be done very fast, if you do it
clever. Of cause,
>testing board symetry is a useless overhead on a 19x19 board; but I'm
shure that it is a
>good deal at least up to the 5x5 board.

	Surely I agree considering symetry saves.
	There are (2 color * 4 rotational * 2 reflectional ) = 16 symetries, 1 or
2 orders of save. For 10^5, it's a lot of save, for 10^11 (3^25) or higher,
it won't help much. 
	
	Thanks.

-- Mousheng Xu